Radiator.



P. B. HOLT.

RADIATOR.

APPLIOAIION FILED 001214, 1911 Patented Jan. 12, 1915.

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RADIATOR.

AYPLIGATION FILED 0073.14, 1'911.

11 H A. 4 E 1 2 s in radiators,

STATES run? 1:. rrenri or STOCKTON, CALIFORNIA;

RADIATOR.

Specification of Letters Patent.

Patented Jan. 1 2,1915.

Application filed Qctober 14, 1911. Serial No. 654,737.

To all whom it play concern I Be it known'that I, PLINY E. Hour, a citizen of the United States, and residing at 820 West Poplar street, in the city of Stockton, county of San Joaquin, and State of California, have invented certain new and useful Improvements in Radiators; and I do hereby declare the following to be a full, cigar, and exact description of the said invention, such as will enable othersskilled in the art to which it most-nearly appertains to make, use, and practise the same.

This. invention relates to" improvements and consists ,(i'fthe novel construction and arrangemenhof the parts.

The objects sou ht to be. accomplished are the production 0 a radiator particularly adapted to the cooling of the circulating me dium of internal combustion engines; where in it is necessary to guard against leakage incidental to the rapid expansion and contraction of. the parts of the radiator; and to arrange these parts in sections which can readily be removed and replaced.

lVith these objects in view, the invention broadly stated consists of an upper and lower header, having manifolds .slidably connected therewith; radiation tubes with their ends fixed in these respective manifolds; whereby the heated water from the circulating system discharged into the top header, passes through the manifolds, down through the radiation tubes, wherein it is subjected a fan blast which facilitates the radiation ofheat, thence through the lower manifolds into the lower header, "from whence it is pumped back into the radiating system.

In the drawings; Figure 1- is a front olovation' illustrating a radiator constructed in accordance with this invention. The top header is shown partially in cross section to disclose the arrangement of the distribution plates therein. Figs. 2 and 3 are detail sectional views illustrating the upper and lower bcaders, respectively. Fig. 4 is a front elevation of one of the manifolds.

in detail the construction consists of the upper header 1, into which the water or circulating medium is pumped. The water is introduced into the header 1 through the opening below which it impinges upon and is divided by the apex of the distribusite directions. until it falls upon and is divided by the apex of the distribution plates land 5, down which it travels in opposite directions, until it is again divided'by the distribution plates 6 and 7. These distribution plates are preferably cast integral with the headerand located as disclosed in.

the drawings. Their particular function is to cause an equal distribution of the incoming liquid to the radiation tubes, particularly when the radiator is not plumb as pften occurs in automobile or tractor pracice.

The vlower header 8 is similar to the upper, with'the exception of the distrilniting plates, which are absent. Both headers are provided with the openings 9, surrounded on the outsides by an embossment adapted to be planed off, to provide a suitable surface for the gaskets 10. The number of these openings is multiplied according to the width of radiator desired.

The manifolds 11 each consist of a hollow casting, with an enlarged inlet suitably finished to bear against the gasket 10, coincident with I the opening 9. Pressure is brought to hour between the headers and the manifolds, pressing the gasket therebetween, by the bolts 19. Inthe rear of the headers the sockets 13'are provided into which the head of the bolt is introduced with the gasket 14 and washer l5 interposed between the bottom of the socket and the head of the bolt. The threaded-end of the bolt extends through the stufling box 16 provided in the front end of the manifold and is drawn up by the nut 17. The body 18 of the bolt can be flattened or limited displacement of the manifold with the header without disturbing the packing of the head of the bolt. or the stuiliug box where the bolt passes through the header or the manifold. The further advantage of this attenuation is disclosed later.

The lower manifolds engage the header 8 in exactly the same manner as just de SCIllXPFl. The upper and lower manifolds attenuated to allow for a are rigidly joined and connected by the inface of the tubes is increased by the addition of the spiralfin 20. This particular construction of radiation tube is a stock product. It is obvious that other forms of radiation tubing is'equally applicable in. the construction of this invention. The upper and lower manifolds rigidly joined by headers by the si the radiation tubes 'as described; comprise a complete unit readily removable from the le unscrewing of'the nut 17. Should a leai' few moments, and 'the injured section repaii'ed' at, leisure;- or, the damaged section:

can "be removed and theopc'nings 9 closed by blind plates asfcircumstances require.

In the practice of this art, it is usual to increase the radiation power of the tubes by a; blast from al-mechanically driven fan; Since 'the efiicienc'y of a fan decreases toward the center, the outer tubes often cool and contract faster than those in the influenoeof the center of the fan blast: or other fimditionsl may be present which would cause an unequal expansion or com traction of the tubes or other parts of the radiator. In automobile. or tractor service vibration and mechanical twisting, and

V otherdisplacements are to be overcome in the radiatorto prevent leakage. The elastic gasket 10 interposed between the headers and the manifolds, hermetically seal the joint by compression, while their elasticity admit of the necessary, though slight dislocation of.the headers and manifolds, due to expansion, contraction or othermechanical' forces to be counteracted. If one side of the gasket is coated with graphite or other suitable antifriction compound, the manifolds can be forced out of coincidence with the openings 9 to a surprising extent, without causing leakage; it is under these extreme circumstances that the flexibility of the bolts perform the desired function in an i various obvious manner.

The upper and lower headers are joined by uprights 21 of channel section to which the headers are bolted through the lugs 22. In this manner the same headers can be made to serve for radiators of'greater or less capacity, by varying their height. a

The headers are provided with the cleaning plugs'23, the lower being also provided with the drainage cook 24. 1 I v This form of radiator is adaptable to, the forms of circulating systems, whether the circulationbe natural thermo siphon, or force pump circula able changes in the headers.

v v develop in of the SGIIGS of tubes, thetwhole section'ciiii be re moved and a perfect one substituted in a tion, by 7 shit- Having thus",described "this invention,

" what'i-s claimed' and desiredto secure-by Letters Patent is: t I v 1, A radiator including anupperanda) lower header each having a'depressed seat formed in the outer side face thereof and having an opening formed'in the opposite side thereof, a gasket ineach seat and a gasket surrounding the op.ening,tube connected I manifolds abutting the gaskets which surround said openings and; having stuffing boxes on the free outer sides there'- of, and bolts passed. through the headers,

manifolds and stufiing boxes and having heads which engage the first named gaskets and having] nuts which engage the stuffing boxes, said bolts having central portions which are thinned so as to allow move- ;ment of the tubes and manifolds.

' :2. A radiator including an upper and a 3. A radiator including an upper and a lower header, a manifold engaged with each header, tubes connecting the manifolds, bolts passed com'pletelythrough the mamfolds and headers, sealing means between the bolt heads and the headers, sealing means between the nuts and the manifolds and sealing means between ,the headers and manifolds, said bolts having thin central portionswhich connect the bolt ends where by the bolt ends may remain relatively stationary to theman folds and'he'ade'rsand the manifolds be permitted to have movement relative to the headers. k v

In testimony whereof, I ha e hereunto-set my hand this 13th dayof September 1911.

PLIN-Y HOLT,

Witnesses: j

'Gnonon Cownrn,

I-Lmnax W. RnEKrN. 

